Can modern DNA analysis uncover clues about the ancestry and migration of Romans? What new information can forensic science teach us about the fate of the citizens of Pompeii? How can X-rays help us analyze ancient art to learn about ancient Roman life? Find answers to these questions and more in this captivating title, which examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about ancient Rome.
Climate Change is a hot-button topic today and one that requires skill to examine and grasp different viewpoints. This book introduces readers to multiple perspectives on the topic and encourages them to objectively view local, national, and global connections to help them form knowledgeable points of view.
What can modern DNA analysis of skeletons tell us about the lifestyle, diet, and beliefs of the Maya? How can new mapping technology uncover previously hidden Mayan cities and structures? Can we use forensic science to solve the mystery of how the Mayan civilization came to an end? Get lost in this compelling title, which examines how forensic science has allowed scientists, archaeologists, and historians to solve mysteries and answer questions about the Maya.
Electrical engineering employs the largest number of engineers. This field of engineering covers everything related to electrical devices, systems, and the uses of electricity. This innovative book gives readers insight into this exciting profession and includes information on pioneers in the world of electricity, new technologies, and innovations. Budding engineers are introduced to the basic concepts of electronic circuitry and learn to build their own electric circuits.
Discover what earthquakes are and how they are caused. Find out how scientists measure earthquakes, and what makes some earthquakes so much more destructive than others. Read about some of the most serious earthquake disasters in history, and how people can be better prepared in the future.
From time of day to reading calendars, time concepts are part of daily life. Children will love this colorful and easy-to-understand introduction to the concepts of time. Amazing full-color images and useful, instructional text guides ensures readers understand the material.
With over 1700 species, more than one-third of all mammals are rodents. From the jumping jerboa to the humungous capybara, What is a Rodent? gnaws through rodent myths to expose the facts about this often misunderstood group. Readers of all ages will be fascinated by the rodent family tree, a rodent's body and amazing teeth, homes underground and in watery habitats, millions of mice and rats, many rodent cousins from squirrels to prairie dogs, their prickly quills, webbed feet, and fabulous fur, and pet care tips.
This engaging title introduces readers to the plant parts that are not often seenroots and bulbs. Readers will discover the functions of these plant parts and how new plants can form from bulbs and roots.
From a stalk of corn to a pine tree, every plant is made of plant cells. What material is in these cells? How do they hold together? How do growers use their knowledge of cell growth to create new plants? What's next in plant science? You can see the hidden secrets of cell life in the fascinating photos, diagrams, and text inside.
Take to the skies with How to Build Aircraft. Featuring simple step-by-step instructions, handy templates, vibrant photographs, and easily accessible materials, this title shows readers how to build their very own aircraft that can really fly! Projects include a hot-air balloon, roto-copter, a variety of gliders, and many more.
Young readers will dive right into this exciting new title! Deep-diving Submarines introduces readers to the different parts of a submarine and explains how these vehicles move through the water.
Easy-to-read text and vivid photographs combine to introduce young readers to eco-friendly vehicles. This dynamic new book gives a close-up view of some of the worlds most innovative, eco-friendly rides, including three-wheeled cars, hydrogen fuel-cell busses, segway personal transporters, and electric bikes and scooters.
Childrens' imaginations will soar as they learn about different kinds of airplanes including jumbo jets, seaplanes, and stunt planes. This dynamic new book also describes the basic parts and functions of various airplanes.
This entertaining book takes the problem out of understanding beginner word problems. Readers will learn how to develop a step-by-step plan or strategy to solve basic word problems. This title uses real-life situations to model the problem-solving process for readers to teach skills such as identifying key information to determine which math operation is required, using drawings and models to see the problem, and carrying out the plan and communicating answers.
John Muir spoke, wrote, and lived the wilderness, including taking President Theodore Roosevelt on an overnight trip to the Yosemite Valley. This trip led to Roosevelts signing into law a bill that placed Yosemite under federal control as a national park. Because of this and his founding of the Sierra Club, John Muir is credited as one of the key shapers of the modern environmental movement.
In 1974, an inventor named Victor Wouk became a man who could be described as ahead of his time. He had developed a prototype for the hybrid, a car that would become the most credible and commercially successful alternative to gasoline-powered vehicles.
Is there some mysterious force of nature that has a sense of humor, causing seemingly unexplained and bizarre things to happen on Earth? Flying omelets and shoals of fish falling out of the sky may have perfectly sensible explanations, but how do we explain the way that twins separated at birth have time and again followed the same path through life? In this intriguing book, scientists use science and chaos theory to try to explain the Cosmic Joker.
This book takes students on a journey from the traditional practices of the Far East to modern Western medicine. Looking at the sometimes mysterious treatments and their applications, Mysterious Healing seeks explanations for the amazing healing powers that people claim to have seen and experienced.
A popular story tells of President Lincoln predicting his own assassination, but not knowing where or when it would take place. This intriguing new title from Crabtree examines real-life cases where dreams appear to have been predictions of events yet to happen. Scientists and believers in this phenomena explore whether we really can see into the future, or if these happenings are just coincidences.
Recent statistics show that cyber bullying is on the rise. Cyber bullying involves using technology, like the Internet or cell phones, to bully or harass another person. It can include acts like posting rumors, threats, or other hurtful comments on social networking sites or circulating inappropriate pictures of a person on the Internet. This book provides a revealing look at cyber bullying and explains how it is different from other forms of bullying. Other topics include the potential legal issues related to electronic harassment, responsible digital citizenship, online security, and how to take a stand against cyber bullying.
Crystal meth is more addictive than heroin or cocaine and is widely available on the streets of North America. This helpful book looks at the use and abuse of meth, an inexpensive and accessible drug that takes an unbelievable toll on the bodies and brains of users. Special chapters on seeking help, and treatment and recovery provide accurate and useful information on meth addiction and treatment.
Did you know about one third of high school students take steroids to improve their looks, not just their athletic skills? Steroid use is becoming a major issue among 12- to 18-year-olds today. This helpful and informative book looks at the pressures young people are under to look cut and perform well in sports. Special chapters examine the effects of anabolic steroids on the developing bodies and minds of young people and how difficult it can be to quit when you've got the edge.
From designing robots to developing new forms of energy, 21st-century careers in engineering are not limited only to construction sites. This title explores the exciting and world-changing possibilities that an education in engineering can lead to.
Antarctica is one of the most desolate and fascinating continents on Earth! In Explore Antarctica, kids are taken on a journey through this continents chilly geography, exploring its mountains, peninsula, seas, and mile-thick layer of ice. Kids will be thrilled to learn about why Antarctica receives six months each of sunlight and darkness every year, the beautiful animals that live in Antarctica, the ground-breaking Antarctic Treaty, and the amazing findings of researchers studying this little-known continent.
Access to digital tools has made it easier than ever for individuals to be creative with media. This important book gives advice on choosing the appropriate platforms and tools to achieve your creative goal, how to use feedback to improve and grow as a digital creator, and how to make sure you get credit for your work, as well as give credit to others where it is due. Inspiring examples show creative young people contributing to the digital world in a positive way, not just taking from it.